CN210505580U - Ozone generator stable control system - Google Patents
Ozone generator stable control system Download PDFInfo
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- CN210505580U CN210505580U CN201920210073.1U CN201920210073U CN210505580U CN 210505580 U CN210505580 U CN 210505580U CN 201920210073 U CN201920210073 U CN 201920210073U CN 210505580 U CN210505580 U CN 210505580U
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Abstract
The utility model discloses an ozone generator stable control system, including the major loop module of preparation ozone, the major loop module is connected with the control module who is used for control to produce ozone, and ozone production volume carries out regulation control by control module. The utility model discloses be furnished with PLC control and touch-sensitive screen man-machine conversation interface, use in a flexible way, have communication and self-diagnosis function, make whole working process carry out intelligent control, whole on-line monitoring to adjust the demand of ozone output applicable under the different operation requirement of user to ozone output through setting for touch-sensitive screen "set for output current" size, made the user save the investment to equipment.
Description
Technical Field
The utility model relates to an ozone generator control system, specific theory relates to an ozone output can be adjusted at will, and the operation is stable, equipment long service life, and concentration is high, and the power consumption is low, uses in a flexible way, and intelligent control is realized to whole working process, whole on-line monitoring's ozone generator stable control system belongs to ozone preparation technical field.
Background
Ozone is an allotrope of oxygen, is an active light blue gas with pungent smell at normal temperature, can be automatically decomposed into oxygen, is soluble in water, exists in an ozone layer at the high altitude of 10-50km away from the ground in nature, can be artificially synthesized, is beneficial to people, is a strong oxidant, a refining agent and a catalyst, is also a broad-spectrum efficient sterilization disinfectant, and has wide application fields in the industries of pharmacy, food, chemical engineering, biological engineering, environmental protection, petroleum, textile, spice, printing and dyeing, paper making and the like because of high efficiency and no residue.
Most of industrial ozone generators generate ozone by using a corona discharge method (also called silent discharge), and the principle of generating ozone by using the corona discharge method is as follows: a discharge electric field is formed between a pair of high-voltage alternating current electrodes, the current can not directly generate point discharge and can not form electric arc due to the blocking effect of a dielectric body, corona discharge is formed when the electric field strength reaches a certain strength, and when oxygen passes through the gap, a part of oxygen molecules are converted into ozone under the action of the electric field with the certain strength.
However, the prior art for adjusting various parameters of the corona discharge ozone generator is manual adjustment, namely, the parameters of voltage, current, frequency and the like of the equipment are manually adjusted according to monitored relevant parameters before leaving factory or on the site of equipment use and are fixed immediately; when the equipment runs, various parameters of the corona discharge ozone generator circuit cannot change, so that the yield of the ozone generator is fixed, the efficiency is low, and the power consumption is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to overcome current ozone generator output fixed, inefficiency, and shortcoming such as the consumption is many, provide an ozone output and can adjust at will, the operation is stable, equipment long service life, concentration is high, and the power consumption is low, uses in a flexible way, and intelligent control, whole on-line monitoring's ozone generator stable control system is realized to whole working process.
In order to solve the technical problem, the utility model provides a following technical scheme:
the stable control system of the ozone generator comprises a main loop module for preparing ozone, wherein the main loop module is connected with a control module for controlling the generation of the ozone, and the ozone generation amount is adjusted and controlled by the control module.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
the main loop module comprises an air switch connected with a path A, a path B and a path C of 380V three-phase alternating current, and a lead-out end of the air switch is connected with a three-phase input end R pin, an S pin and a T pin of the frequency converter.
Further optimization: and the output ends of the L1 pin and the L2 pin of the frequency converter are connected with the input end of a transformer, and the output end of a power supply high-voltage electrode of the transformer is connected to the high-voltage end of the ozone discharge chamber.
Further optimization: the low-voltage end of the transformer and the low-voltage end of the ozone discharge chamber are connected with the shell of the equipment, and the shell of the equipment is reliably grounded.
Further optimization: the transformer is a boosting transformer, and the working voltage of the output end of the transformer is always stable.
Further optimization: the control module comprises a PLC controller, and an output end CMO pin and a Y3 pin of the PLC controller are connected with an input end COM pin and an input end X1 pin of the frequency converter.
Further optimization: the COM port of the PLC is connected with the COM2 port of the communication end of the touch screen, so that the touch screen can display various parameters in working in real time through the channel and is used for inputting and modifying the output current for preparing ozone to the PLC.
Further optimization: and a communication end COM0 port of the touch screen is connected with a communication end RS485 port of the frequency converter, so that the frequency converter reads, stores and processes related parameters input from the touch screen through the channel, and the touch screen modifies, calls and displays related information and parameters of the frequency converter through the channel.
Further optimization: the PLC controller can monitor the temperature of the discharged water, the oil temperature of the transformer and the ozone concentration in real time, and monitoring information is displayed through the display screen.
Further optimization: the PLC can monitor the water level, the air inlet pressure, the air source pressure, the oil temperature of the transformer and the working state of the air compressor and give a fault alarm; and the alarm information is displayed through a display screen.
The above technical scheme is adopted in the utility model, when using, at first need open the air compressor machine, open the cooling water inlet valve, treat "water level indication" and "air supply pressure" on the touch-sensitive screen, two pilot lamps show "normal" back, then click "power and close", treat "water level indication", "air supply pressure", "inlet pressure", "transformer" and all show "normal" back, click "ozone start" button, equipment can be according to the program operation that has set for, and automatic adjustment equipment reaches optimum.
When ozone is required to be prepared, the size of output current can be set through setting the size of the touch screen, the PLC controls the frequency converter according to a pre-programmed program, the frequency converter is enabled to adjust the power frequency all the time, the output working current is enabled to be adjusted to the set output current all the time, then the high-voltage output end of the transformer discharges in the ozone discharge chamber, when oxygen passes through the gap, oxygen molecules are converted into ozone under the action of an electric field with certain intensity, and stable ozone can be generated after continuous work.
The ozone output is adjusted by setting the magnitude of 'set output current' on the touch screen, the working current is reduced, and the output of the ozone generator is reduced; otherwise, the working current is increased and the ozone yield is increased.
The above structure is adopted in the utility model, carry out corona discharge with the high voltage alternating current of certain frequency and produce ozone, ozone generator is furnished with PLC control and touch-sensitive screen man-machine dialogue interface, use in a flexible way, have communication and self-diagnosis function, make whole working process carry out intelligent control, whole on-line monitoring, and adjust the applicable demand to ozone output under the different operation requirement of user through the size of setting for touch-sensitive screen "settlement output current", make the user save the investment to equipment.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic diagram of an electric control system in an embodiment of the present invention;
fig. 2 is a first control picture of the touch screen according to the embodiment of the present invention;
fig. 3 is a second control picture of the touch screen according to the embodiment of the present invention.
Detailed Description
Example (b): as shown in fig. 1-3, the ozone generator stabilization control system comprises a main loop module for preparing ozone, the main loop module is connected with a control module for controlling the generation of ozone, and the ozone generation amount is adjusted and controlled by the control module.
As shown in fig. 1, the main circuit module includes an air switch connected to a path a, a path B, and a path C of 380V three-phase ac, and an outlet terminal of the air switch is connected to a three-phase input terminal R pin, an S pin, and a T pin of a frequency converter.
The frequency converter can adjust the magnitude of the output current by adjusting the power supply frequency.
And the output ends of the L1 pin and the L2 pin of the frequency converter are connected with the input end of a transformer, and the output end of a power supply high-voltage electrode of the transformer is connected to the high-voltage end of the ozone discharge chamber.
The low-voltage end of the transformer and the low-voltage end of the ozone discharge chamber are connected with the shell of the equipment, and the shell of the equipment is reliably grounded.
The transformer is a boosting transformer, and the working voltage of the output end of the transformer is always stable.
After the air switch is turned on and the frequency of the power supply is regulated by the frequency converter, the ozone discharge chamber is electrified by the transformer, and when oxygen passes through the gap, a part of oxygen molecules are converted into ozone under the action of an electric field with certain strength.
The C path and the N path of the power supply are connected with an L pin and an N pin of a switching power supply, and the C path and the N path of the 380V three-phase alternating current power supply output a direct current 24V power supply after passing through the switching power supply.
And an emergency stop switch is arranged at the joint of the N pin of the switching power supply and the N path.
As shown in fig. 1, the control module includes a PLC controller, and power input terminals DC + and DC-pins of the PLC controller are respectively connected to a 24V power supply output by the switching power supply.
And an output end CMO pin and a Y3 pin of the PLC are connected with an input end COM pin and an input end X1 pin of the frequency converter.
The COM port of the PLC is connected with the COM2 port of the communication end of the touch screen, and the power input end of the touch screen is connected with a 24V power supply output by the switching power supply.
As shown in fig. 2-3, the touch screen is connected with the COM port of the PLC controller through the COM2 port, so that the touch screen can display various parameters during operation in real time through the channel, and is used for inputting and modifying the output current for preparing ozone to the PLC controller.
As shown in fig. 1-3, the design enables the PLC controller to set the output current through the touch screen, and the PLC controller controls the frequency converter according to the pre-programmed program, so that the frequency converter adjusts the power frequency all the time, and adjusts the power frequency through the frequency converter, so that the output working current can be adjusted to the set output current, and then the output end of the transformer discharges in the ozone discharging chamber, so as to generate stable ozone.
The ozone output of the ozone generator can be adjusted by setting the output current on the touch screen, and the working current can be adjusted; the working current is reduced, and the yield of the ozone generator is reduced; if the current is positive, the working current is increased, and the ozone yield is increased; the ozone generator can meet the requirements of users on the ozone yield under different use requirements, and the users save the investment on equipment.
As shown in fig. 1, a communication port COM0 of the touch screen is connected with a communication port RS485 of the frequency converter.
The design enables the frequency converter to read, store and process relevant parameters input from the touch screen through the channel, and the touch screen modifies, calls and displays relevant information and parameters of the frequency converter through the channel.
The ozone discharge chamber is provided with an air inlet, a cooling water outlet and an ozone gas outlet.
By arranging the air inlet and the ozone gas outlet, oxygen can enter the ozone discharge chamber through the air inlet to provide oxygen for the ozone discharge chamber, and then ozone generated by corona discharge in the ozone discharge chamber is discharged through the ozone gas outlet for a user to use;
through setting up cooling water inlet, cooling water delivery port, can let in the cooling water to ozone discharge chamber through the cooling water inlet and cool off the heat that discharges and produce, discharge the cooling water after the use through cooling water delivery port at last.
The outside intercommunication of ozone discharge chamber's air inlet has the air compressor machine that is used for providing the air supply in the ozone discharge chamber, the input of air compressor machine is connected with CM1 foot, Y4 foot of PLC controller.
By the design, the PLC can be operated through the touch screen to remotely control the air compressor to work.
As shown in fig. 1-3, the PLC controller can monitor the temperature of the outlet water, the oil temperature of the transformer, and the ozone concentration in real time, and the data of the analog quantity is displayed through the display screen.
The input end of the PLC is connected with a water temperature sensor for detecting the temperature of water, and two power supply pins of the water temperature sensor are respectively connected with a +24V power supply pin and a GND pin of the PLC.
And the signal output end of the water temperature sensor is connected with an AD0 pin of the PLC, and is used for transmitting the detected outlet water temperature to the PLC and displaying the outlet water temperature on the touch screen in real time.
The input end of the PLC is connected with an oil temperature sensor for detecting the oil temperature of the transformer, and two power supply pins of the oil temperature sensor are respectively connected with a +24V power supply pin and a GND pin of the PLC.
And the signal output end of the oil temperature sensor is connected with an AD1 pin of the PLC, and is used for transmitting the detected transformer oil temperature to the PLC and displaying the transformer oil temperature on the touch screen in real time.
The water temperature sensor is arranged at a cooling water outlet, the oil temperature sensor is arranged in the transformer oil tank, and the water temperature sensor and the oil temperature sensor are LM35 sensors.
The input end of the PLC is connected with an ozone sensor for detecting ozone concentration, a resistor is connected between two wiring ends of the ozone sensor in parallel, and two wiring ends of the resistor are respectively connected with an AD2 pin and a GND pin on the PLC.
The ozone sensor is arranged at the ozone gas outlet.
The signal current that ozone sensor output is 4-20mA, and this current signal forms voltage signal through this resistance, and this voltage signal is through being connected with AD2 foot and GND foot on the PLC controller, can give the PLC controller with this voltage signal transfer, makes the PLC controller can real time monitoring ozone concentration to show on the touch-sensitive screen in real time.
The PLC can monitor the water level, the air inlet pressure, the air source pressure, the oil temperature of the transformer and the working state of the air compressor in real time, and alarm when faults are detected; and the alarm information is displayed through a display screen.
The input end COM pin and the input end X0 pin of the PLC controller are connected with a detection switch SW used for detecting the water level, and the water level detected by the detection switch SW can be sent to the PLC controller and displayed on the touch screen in real time.
When the water level of the detection switch SW is not detected, the detection switch SW is automatically switched off, the PLC is controlled to send out a fault alarm signal, and the alarm information is displayed through the display screen, so that the ozone generator is shut down for protection.
The air inlet pressure detection device comprises a PLC controller and is characterized in that input end COM pins and X1 pins of the PLC controller are connected with a detection switch P1 used for detecting air inlet pressure, the air inlet pressure detected by the detection switch P1 is sent to the PLC controller, and an air inlet pressure preset threshold value is arranged in the PLC controller.
When the detected air inlet pressure exceeds or is not higher than the preset threshold value of the air inlet pressure, the detection switch P1 is automatically switched off, the PLC is controlled to send out a fault alarm signal, and the alarm signal is displayed through the display screen, so that the ozone generator is shut down for protection.
The input end COM pin and the X2 pin of the PLC controller are connected with a detection switch P2 used for detecting air source pressure, the air source pressure detected by the detection switch P2 is sent to the PLC controller, and an air source pressure preset threshold value is arranged in the PLC controller.
When the detected air source pressure exceeds or is not less than the preset threshold value of the air source pressure, the detection switch P2 is automatically switched off, the PLC is controlled to send out a fault alarm signal, and the alarm information is displayed through the display screen, so that the ozone generator is shut down for protection.
The input end COM pin and the input end X3 pin of the PLC controller are connected with a detection switch T for protecting the transformer from being damaged due to overhigh oil temperature, and a transformer oil temperature preset threshold value is arranged in the PLC controller.
When the transformer oil temperature detected by the oil temperature sensor exceeds a preset transformer oil temperature threshold, the detection switch T is automatically switched off, the PLC is controlled to send out a fault alarm signal, and the alarm signal is displayed through the display screen, so that the ozone generator is shut down for protection.
And the input end COM pin and the input end X3 pin of the PLC are connected with a contactor control end of the air compressor.
When the air compressor is used, firstly, the air compressor needs to be started, (the air compressor can be started after 160 seconds of delay), then a cooling water inlet valve is opened, after the water level indication and the air source pressure are displayed on the touch screen, the power supply is clicked to be turned off after the two indicating lamps display the normal state, and after the water level indication, the air source pressure, the air inlet pressure and the transformer display the normal state, the ozone starting button is clicked, so that the equipment can operate according to a set program, and the equipment can be automatically adjusted to reach the optimal state.
When ozone needs to be prepared, the size of 'set output current' on the touch screen can be set through setting, after the PLC receives signals, the PLC controls the frequency converter according to a pre-programmed program, the frequency converter can adjust the power frequency all the time, the power frequency can be adjusted through the frequency converter, the output working current can be adjusted to the set output current all the time, then the output end of the transformer discharges in the ozone discharging chamber, when oxygen passes through the gap, under the action of an electric field with certain intensity, oxygen molecules are converted into ozone, and stable ozone can be generated through continuous work.
The ozone output is adjusted by setting the size of the set output current of the touch screen, the working current is reduced, and the output of the ozone generator is reduced; otherwise, the working current is increased and the ozone yield is increased.
The above structure is adopted in the utility model, carry out corona discharge with the high voltage alternating current of certain frequency and produce ozone, ozone generator is furnished with PLC control and touch-sensitive screen man-machine dialogue interface, use in a flexible way, have communication and self-diagnosis function, make whole working process carry out intelligent control, whole on-line monitoring, and adjust the applicable demand to ozone output under the different operation requirement of user through the size of setting for touch-sensitive screen "settlement output current", make the user save the investment to equipment.
Claims (6)
1. Ozone generator stable control system, its characterized in that: the ozone generator comprises a main loop module for preparing ozone, wherein the main loop module comprises an air switch connected with a 380V three-phase alternating current A path, a 380V three-phase alternating current B path and a 380V three-phase alternating current C path, the wire outlet end of the air switch is connected with a three-phase input end R pin, an S pin and a T pin of a frequency converter, the output end L1 pin and the output end L2 pin of the frequency converter are connected with the input end of a transformer, the main loop module is connected with a control module for controlling the generation of ozone, and the ozone generation amount is regulated and controlled by the;
the control module comprises a PLC controller, and an output end CMO pin and a Y3 pin of the PLC controller are connected with an input end COM pin and an input end X1 pin of the frequency converter.
2. The ozone generator stability control system of claim 1, wherein: and the COM port of the PLC is connected with the COM2 port of the communication end of the touch screen.
3. The ozone generator stability control system of claim 2, wherein: and a communication end COM0 port of the touch screen is connected with a communication end RS485 port of the frequency converter.
4. The ozone generator stability control system of claim 3, wherein: and the output end of the power supply high-voltage electrode of the transformer is connected to the high-voltage end of the ozone discharge chamber.
5. The ozone generator stability control system of claim 4, wherein: the low-voltage end of the transformer and the low-voltage end of the ozone discharge chamber are connected with the shell of the equipment, and the shell of the equipment is reliably grounded.
6. The ozone generator stability control system of claim 5, wherein: the transformer is a step-up transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210073.1U CN210505580U (en) | 2019-02-19 | 2019-02-19 | Ozone generator stable control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920210073.1U CN210505580U (en) | 2019-02-19 | 2019-02-19 | Ozone generator stable control system |
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| CN210505580U true CN210505580U (en) | 2020-05-12 |
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| CN201920210073.1U Active CN210505580U (en) | 2019-02-19 | 2019-02-19 | Ozone generator stable control system |
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| CN (1) | CN210505580U (en) |
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